HEADER    TRANSFERASE                             06-JUN-03   1PKV              
TITLE     THE N-TERMINAL DOMAIN OF RIBOFLAVIN SYNTHASE IN COMPLEX WITH          
TITLE    2 RIBOFLAVIN                                                           
COMPND    MOL_ID: 1;                                                            
COMPND   2 MOLECULE: RIBOFLAVIN SYNTHASE ALPHA CHAIN;                           
COMPND   3 CHAIN: A, B;                                                         
COMPND   4 FRAGMENT: N-TERMINAL DOMAIN;                                         
COMPND   5 EC: 2.5.1.9;                                                         
COMPND   6 ENGINEERED: YES                                                      
SOURCE    MOL_ID: 1;                                                            
SOURCE   2 ORGANISM_SCIENTIFIC: ESCHERICHIA COLI;                               
SOURCE   3 ORGANISM_TAXID: 562;                                                 
SOURCE   4 GENE: RIBE OR RIBC OR B1662 OR SF1690;                               
SOURCE   5 EXPRESSION_SYSTEM: ESCHERICHIA COLI;                                 
SOURCE   6 EXPRESSION_SYSTEM_TAXID: 562;                                        
SOURCE   7 EXPRESSION_SYSTEM_CELL_LINE: XL1-BLUE CELLS;                         
SOURCE   8 EXPRESSION_SYSTEM_VECTOR: PNCO113                                    
KEYWDS    DIMER, BETA-BARREL, GREEK KEY MOTIF, TRANSFERASE                      
EXPDTA    X-RAY DIFFRACTION                                                     
AUTHOR    W.MEINING,S.EBERHARDT,A.BACHER,R.LADENSTEIN                           
REVDAT   4   16-AUG-23 1PKV    1       REMARK                                   
REVDAT   3   13-JUL-11 1PKV    1       VERSN                                    
REVDAT   2   24-FEB-09 1PKV    1       VERSN                                    
REVDAT   1   08-JUN-04 1PKV    0                                                
JRNL        AUTH   W.MEINING,S.EBERHARDT,A.BACHER,R.LADENSTEIN                  
JRNL        TITL   THE STRUCTURE OF THE N-TERMINAL DOMAIN OF RIBOFLAVIN         
JRNL        TITL 2 SYNTHASE IN COMPLEX WITH RIBOFLAVIN AT 2.6A RESOLUTION.      
JRNL        REF    J.MOL.BIOL.                   V. 331  1053 2003              
JRNL        REFN                   ISSN 0022-2836                               
JRNL        PMID   12927541                                                     
JRNL        DOI    10.1016/S0022-2836(03)00844-1                                
REMARK   1                                                                      
REMARK   1 REFERENCE 1                                                          
REMARK   1  AUTH   S.EBERHARDT,N.ZINGLER,K.KEMTER,G.RICHTER,M.CUSHMAN,A.BACHER  
REMARK   1  TITL   DOMAIN STRUCTURE OF RIBOFLAVIN SYNTHASE                      
REMARK   1  REF    EUR.J.BIOCHEM.                V. 268  4315 2001              
REMARK   1  REFN                   ISSN 0014-2956                               
REMARK   1  DOI    10.1046/J.1432-1327.2001.02351.X                             
REMARK   1 REFERENCE 2                                                          
REMARK   1  AUTH   B.ILLARIONOV,K.KEMTER,S.EBERHARDT,G.RICHTER,M.CUSHMAN,       
REMARK   1  AUTH 2 A.BACHER                                                     
REMARK   1  TITL   RIBOFLAVIN SYNTHASE OF ESCHERICHIA COLI. EFFECT OF SINGLE    
REMARK   1  TITL 2 AMINO ACID SUBSTITUTIONS ON REACTION RATE AND LIGAND BINDING 
REMARK   1  TITL 3 PROPERTIES                                                   
REMARK   1  REF    J.BIOL.CHEM.                  V. 276 11524 2001              
REMARK   1  REFN                   ISSN 0021-9258                               
REMARK   1  DOI    10.1074/JBC.M008931200                                       
REMARK   2                                                                      
REMARK   2 RESOLUTION.    2.60 ANGSTROMS.                                       
REMARK   3                                                                      
REMARK   3 REFINEMENT.                                                          
REMARK   3   PROGRAM     : REFMAC 5.1.24                                        
REMARK   3   AUTHORS     : MURSHUDOV,SKUBAK,LEBEDEV,PANNU,STEINER,              
REMARK   3               : NICHOLLS,WINN,LONG,VAGIN                             
REMARK   3                                                                      
REMARK   3    REFINEMENT TARGET : MAXIMUM LIKELIHOOD                            
REMARK   3                                                                      
REMARK   3  DATA USED IN REFINEMENT.                                            
REMARK   3   RESOLUTION RANGE HIGH (ANGSTROMS) : 2.60                           
REMARK   3   RESOLUTION RANGE LOW  (ANGSTROMS) : 19.70                          
REMARK   3   DATA CUTOFF            (SIGMA(F)) : 0.000                          
REMARK   3   COMPLETENESS FOR RANGE        (%) : 99.5                           
REMARK   3   NUMBER OF REFLECTIONS             : 6793                           
REMARK   3                                                                      
REMARK   3  FIT TO DATA USED IN REFINEMENT.                                     
REMARK   3   CROSS-VALIDATION METHOD          : THROUGHOUT                      
REMARK   3   FREE R VALUE TEST SET SELECTION  : RANDOM                          
REMARK   3   R VALUE     (WORKING + TEST SET) : 0.177                           
REMARK   3   R VALUE            (WORKING SET) : 0.174                           
REMARK   3   FREE R VALUE                     : 0.235                           
REMARK   3   FREE R VALUE TEST SET SIZE   (%) : 4.700                           
REMARK   3   FREE R VALUE TEST SET COUNT      : 337                             
REMARK   3                                                                      
REMARK   3  FIT IN THE HIGHEST RESOLUTION BIN.                                  
REMARK   3   TOTAL NUMBER OF BINS USED           : 20                           
REMARK   3   BIN RESOLUTION RANGE HIGH       (A) : 2.60                         
REMARK   3   BIN RESOLUTION RANGE LOW        (A) : 2.67                         
REMARK   3   REFLECTION IN BIN     (WORKING SET) : 475                          
REMARK   3   BIN COMPLETENESS (WORKING+TEST) (%) : NULL                         
REMARK   3   BIN R VALUE           (WORKING SET) : 0.2420                       
REMARK   3   BIN FREE R VALUE SET COUNT          : 31                           
REMARK   3   BIN FREE R VALUE                    : 0.3180                       
REMARK   3                                                                      
REMARK   3  NUMBER OF NON-HYDROGEN ATOMS USED IN REFINEMENT.                    
REMARK   3   PROTEIN ATOMS            : 1330                                    
REMARK   3   NUCLEIC ACID ATOMS       : 0                                       
REMARK   3   HETEROGEN ATOMS          : 54                                      
REMARK   3   SOLVENT ATOMS            : 37                                      
REMARK   3                                                                      
REMARK   3  B VALUES.                                                           
REMARK   3   FROM WILSON PLOT           (A**2) : NULL                           
REMARK   3   MEAN B VALUE      (OVERALL, A**2) : 38.39                          
REMARK   3   OVERALL ANISOTROPIC B VALUE.                                       
REMARK   3    B11 (A**2) : -1.58000                                             
REMARK   3    B22 (A**2) : 2.17000                                              
REMARK   3    B33 (A**2) : -0.59000                                             
REMARK   3    B12 (A**2) : 0.00000                                              
REMARK   3    B13 (A**2) : 0.00000                                              
REMARK   3    B23 (A**2) : 0.00000                                              
REMARK   3                                                                      
REMARK   3  ESTIMATED OVERALL COORDINATE ERROR.                                 
REMARK   3   ESU BASED ON R VALUE                            (A): 0.485         
REMARK   3   ESU BASED ON FREE R VALUE                       (A): 0.281         
REMARK   3   ESU BASED ON MAXIMUM LIKELIHOOD                 (A): 0.188         
REMARK   3   ESU FOR B VALUES BASED ON MAXIMUM LIKELIHOOD (A**2): 8.765         
REMARK   3                                                                      
REMARK   3 CORRELATION COEFFICIENTS.                                            
REMARK   3   CORRELATION COEFFICIENT FO-FC      : 0.949                         
REMARK   3   CORRELATION COEFFICIENT FO-FC FREE : 0.906                         
REMARK   3                                                                      
REMARK   3  RMS DEVIATIONS FROM IDEAL VALUES        COUNT    RMS    WEIGHT      
REMARK   3   BOND LENGTHS REFINED ATOMS        (A):  1372 ; 0.020 ; 0.021       
REMARK   3   BOND LENGTHS OTHERS               (A):  NULL ;  NULL ;  NULL       
REMARK   3   BOND ANGLES REFINED ATOMS   (DEGREES):  1869 ; 1.798 ; 1.985       
REMARK   3   BOND ANGLES OTHERS          (DEGREES):  NULL ;  NULL ;  NULL       
REMARK   3   TORSION ANGLES, PERIOD 1    (DEGREES):   170 ; 6.087 ; 5.000       
REMARK   3   TORSION ANGLES, PERIOD 2    (DEGREES):  NULL ;  NULL ;  NULL       
REMARK   3   TORSION ANGLES, PERIOD 3    (DEGREES):  NULL ;  NULL ;  NULL       
REMARK   3   TORSION ANGLES, PERIOD 4    (DEGREES):  NULL ;  NULL ;  NULL       
REMARK   3   CHIRAL-CENTER RESTRAINTS       (A**3):   225 ; 0.112 ; 0.200       
REMARK   3   GENERAL PLANES REFINED ATOMS      (A):   997 ; 0.007 ; 0.020       
REMARK   3   GENERAL PLANES OTHERS             (A):  NULL ;  NULL ;  NULL       
REMARK   3   NON-BONDED CONTACTS REFINED ATOMS (A):   544 ; 0.219 ; 0.200       
REMARK   3   NON-BONDED CONTACTS OTHERS        (A):  NULL ;  NULL ;  NULL       
REMARK   3   NON-BONDED TORSION REFINED ATOMS  (A):  NULL ;  NULL ;  NULL       
REMARK   3   NON-BONDED TORSION OTHERS         (A):  NULL ;  NULL ;  NULL       
REMARK   3   H-BOND (X...Y) REFINED ATOMS      (A):    65 ; 0.183 ; 0.200       
REMARK   3   H-BOND (X...Y) OTHERS             (A):  NULL ;  NULL ;  NULL       
REMARK   3   POTENTIAL METAL-ION REFINED ATOMS (A):  NULL ;  NULL ;  NULL       
REMARK   3   POTENTIAL METAL-ION OTHERS        (A):  NULL ;  NULL ;  NULL       
REMARK   3   SYMMETRY VDW REFINED ATOMS        (A):    44 ; 0.318 ; 0.200       
REMARK   3   SYMMETRY VDW OTHERS               (A):  NULL ;  NULL ;  NULL       
REMARK   3   SYMMETRY H-BOND REFINED ATOMS     (A):  NULL ;  NULL ;  NULL       
REMARK   3   SYMMETRY H-BOND OTHERS            (A):  NULL ;  NULL ;  NULL       
REMARK   3   SYMMETRY METAL-ION REFINED ATOMS  (A):  NULL ;  NULL ;  NULL       
REMARK   3   SYMMETRY METAL-ION OTHERS         (A):  NULL ;  NULL ;  NULL       
REMARK   3                                                                      
REMARK   3  ISOTROPIC THERMAL FACTOR RESTRAINTS.     COUNT   RMS    WEIGHT      
REMARK   3   MAIN-CHAIN BOND REFINED ATOMS  (A**2):   848 ; 1.068 ; 1.500       
REMARK   3   MAIN-CHAIN BOND OTHER ATOMS    (A**2):  NULL ;  NULL ;  NULL       
REMARK   3   MAIN-CHAIN ANGLE REFINED ATOMS (A**2):  1373 ; 2.151 ; 2.000       
REMARK   3   MAIN-CHAIN ANGLE OTHER ATOMS   (A**2):  NULL ;  NULL ;  NULL       
REMARK   3   SIDE-CHAIN BOND REFINED ATOMS  (A**2):   524 ; 3.216 ; 3.000       
REMARK   3   SIDE-CHAIN BOND OTHER ATOMS    (A**2):  NULL ;  NULL ;  NULL       
REMARK   3   SIDE-CHAIN ANGLE REFINED ATOMS (A**2):   496 ; 5.286 ; 4.500       
REMARK   3   SIDE-CHAIN ANGLE OTHER ATOMS   (A**2):  NULL ;  NULL ;  NULL       
REMARK   3   LONG RANGE B REFINED ATOMS     (A**2):  NULL ;  NULL ;  NULL       
REMARK   3   LONG RANGE B OTHER ATOMS       (A**2):  NULL ;  NULL ;  NULL       
REMARK   3                                                                      
REMARK   3 ANISOTROPIC THERMAL FACTOR RESTRAINTS.    COUNT   RMS   WEIGHT       
REMARK   3   RIGID-BOND RESTRAINTS          (A**2):  NULL ;  NULL ;  NULL       
REMARK   3   SPHERICITY; FREE ATOMS         (A**2):  NULL ;  NULL ;  NULL       
REMARK   3   SPHERICITY; BONDED ATOMS       (A**2):  NULL ;  NULL ;  NULL       
REMARK   3                                                                      
REMARK   3  NCS RESTRAINTS STATISTICS                                           
REMARK   3   NUMBER OF DIFFERENT NCS GROUPS : 3                                 
REMARK   3                                                                      
REMARK   3  NCS GROUP NUMBER               : 1                                  
REMARK   3     CHAIN NAMES                    : A B                             
REMARK   3     NUMBER OF COMPONENTS NCS GROUP : 18                              
REMARK   3       COMPONENT C  SSSEQI  TO  C   SSSEQI   CODE                     
REMARK   3           1     A      2       A      15      1                      
REMARK   3           1     B      2       B      15      1                      
REMARK   3           2     A     16       A      17      3                      
REMARK   3           2     B     16       B      17      3                      
REMARK   3           3     A     21       A      21      1                      
REMARK   3           3     B     21       B      21      1                      
REMARK   3           4     A     22       A      22      3                      
REMARK   3           4     B     22       B      22      3                      
REMARK   3           5     A     23       A      32      1                      
REMARK   3           5     B     23       B      32      1                      
REMARK   3           6     A     67       A      68      1                      
REMARK   3           6     B     67       B      68      1                      
REMARK   3           7     A     70       A      76      1                      
REMARK   3           7     B     70       B      76      1                      
REMARK   3           8     A     18       A      20      6                      
REMARK   3           8     B     18       B      20      6                      
REMARK   3           9     A     64       A      66      5                      
REMARK   3           9     B     64       B      66      5                      
REMARK   3          10     A     55       A      57      3                      
REMARK   3          10     B     55       B      57      3                      
REMARK   3          11     A     58       A      63      1                      
REMARK   3          11     B     58       B      63      1                      
REMARK   3          12     A     69       A      69      5                      
REMARK   3          12     B     69       B      69      5                      
REMARK   3          13     A     33       A      34      3                      
REMARK   3          13     B     33       B      34      3                      
REMARK   3          14     A     35       A      36      1                      
REMARK   3          14     B     35       B      36      1                      
REMARK   3          15     A     37       A      37      3                      
REMARK   3          15     B     37       B      37      3                      
REMARK   3          16     A     38       A      54      1                      
REMARK   3          16     B     38       B      54      1                      
REMARK   3          17     A     77       A      77      3                      
REMARK   3          17     B     77       B      77      3                      
REMARK   3          18     A     78       A      87      1                      
REMARK   3          18     B     78       B      87      1                      
REMARK   3                   GROUP CHAIN        COUNT   RMS     WEIGHT          
REMARK   3   TIGHT POSITIONAL   1    A    (A):    551 ;  0.08 ;  0.05           
REMARK   3   MEDIUM POSITIONAL  1    A    (A):     16 ;  0.21 ;  0.50           
REMARK   3   LOOSE POSITIONAL   1    A    (A):     63 ;  0.89 ;  5.00           
REMARK   3   TIGHT THERMAL      1    A (A**2):    551 ;  0.22 ;  0.50           
REMARK   3   MEDIUM THERMAL     1    A (A**2):     16 ;  0.98 ;  2.00           
REMARK   3   LOOSE THERMAL      1    A (A**2):     63 ;  4.04 ; 10.00           
REMARK   3                                                                      
REMARK   3  NCS GROUP NUMBER               : 2                                  
REMARK   3     CHAIN NAMES                    : A B                             
REMARK   3     NUMBER OF COMPONENTS NCS GROUP : 1                               
REMARK   3       COMPONENT C  SSSEQI  TO  C   SSSEQI   CODE                     
REMARK   3           1     A    100       A     100      1                      
REMARK   3           1     B    101       B     101      1                      
REMARK   3                   GROUP CHAIN        COUNT   RMS     WEIGHT          
REMARK   3   TIGHT POSITIONAL   2    B    (A):     27 ;  0.04 ;  0.05           
REMARK   3   TIGHT THERMAL      2    B (A**2):     27 ;  0.31 ;  0.50           
REMARK   3                                                                      
REMARK   3  NCS GROUP NUMBER               : 3                                  
REMARK   3     CHAIN NAMES                    : A B                             
REMARK   3     NUMBER OF COMPONENTS NCS GROUP : 1                               
REMARK   3       COMPONENT C  SSSEQI  TO  C   SSSEQI   CODE                     
REMARK   3           1     A    101       A     116      1                      
REMARK   3           1     B    103       B     116      1                      
REMARK   3                   GROUP CHAIN        COUNT   RMS     WEIGHT          
REMARK   3   TIGHT POSITIONAL   3    A    (A):      7 ;  0.13 ;  0.05           
REMARK   3   TIGHT THERMAL      3    A (A**2):      7 ;  0.55 ;  0.50           
REMARK   3                                                                      
REMARK   3  TLS DETAILS                                                         
REMARK   3   NUMBER OF TLS GROUPS  : NULL                                       
REMARK   3                                                                      
REMARK   3  BULK SOLVENT MODELLING.                                             
REMARK   3   METHOD USED : BABINET MODEL WITH MASK                              
REMARK   3   PARAMETERS FOR MASK CALCULATION                                    
REMARK   3   VDW PROBE RADIUS   : 1.40                                          
REMARK   3   ION PROBE RADIUS   : 0.80                                          
REMARK   3   SHRINKAGE RADIUS   : 0.80                                          
REMARK   3                                                                      
REMARK   3  OTHER REFINEMENT REMARKS:                                           
REMARK   3  CHAINS C AND D IN NCS GROUP 2 CORRESPOND TO THE RESIDUES            
REMARK   3  100 AND 101 IN THE COORDINATES; CHAIN E IN NCS GROUP 3              
REMARK   3  CORRESPONDS TO WATER MOLECULES 1-17, 32, 34, 36, 37                 
REMARK   3  AND CHAIN F IN NCS GROUP 3 CORRESPONDS TO WATER MOLECULES           
REMARK   3  18-31, 33, 35 IN THE COORDINATES                                    
REMARK   4                                                                      
REMARK   4 1PKV COMPLIES WITH FORMAT V. 3.30, 13-JUL-11                         
REMARK 100                                                                      
REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY RCSB ON 11-JUN-03.                  
REMARK 100 THE DEPOSITION ID IS D_1000019397.                                   
REMARK 200                                                                      
REMARK 200 EXPERIMENTAL DETAILS                                                 
REMARK 200  EXPERIMENT TYPE                : X-RAY DIFFRACTION                  
REMARK 200  DATE OF DATA COLLECTION        : 17-MAR-00                          
REMARK 200  TEMPERATURE           (KELVIN) : 110                                
REMARK 200  PH                             : 7.0                                
REMARK 200  NUMBER OF CRYSTALS USED        : 1                                  
REMARK 200                                                                      
REMARK 200  SYNCHROTRON              (Y/N) : Y                                  
REMARK 200  RADIATION SOURCE               : EMBL/DESY, HAMBURG                 
REMARK 200  BEAMLINE                       : X11                                
REMARK 200  X-RAY GENERATOR MODEL          : NULL                               
REMARK 200  MONOCHROMATIC OR LAUE    (M/L) : M                                  
REMARK 200  WAVELENGTH OR RANGE        (A) : 0.8424                             
REMARK 200  MONOCHROMATOR                  : NULL                               
REMARK 200  OPTICS                         : NULL                               
REMARK 200                                                                      
REMARK 200  DETECTOR TYPE                  : IMAGE PLATE                        
REMARK 200  DETECTOR MANUFACTURER          : MARRESEARCH                        
REMARK 200  INTENSITY-INTEGRATION SOFTWARE : DENZO                              
REMARK 200  DATA SCALING SOFTWARE          : SCALEPACK                          
REMARK 200                                                                      
REMARK 200  NUMBER OF UNIQUE REFLECTIONS   : 7131                               
REMARK 200  RESOLUTION RANGE HIGH      (A) : 2.600                              
REMARK 200  RESOLUTION RANGE LOW       (A) : 20.000                             
REMARK 200  REJECTION CRITERIA  (SIGMA(I)) : 0.000                              
REMARK 200                                                                      
REMARK 200 OVERALL.                                                             
REMARK 200  COMPLETENESS FOR RANGE     (%) : 99.4                               
REMARK 200  DATA REDUNDANCY                : NULL                               
REMARK 200  R MERGE                    (I) : NULL                               
REMARK 200  R SYM                      (I) : NULL                               
REMARK 200  <I/SIGMA(I)> FOR THE DATA SET  : NULL                               
REMARK 200                                                                      
REMARK 200 IN THE HIGHEST RESOLUTION SHELL.                                     
REMARK 200  HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 2.60                     
REMARK 200  HIGHEST RESOLUTION SHELL, RANGE LOW  (A) : 2.63                     
REMARK 200  COMPLETENESS FOR SHELL     (%) : 100.0                              
REMARK 200  DATA REDUNDANCY IN SHELL       : NULL                               
REMARK 200  R MERGE FOR SHELL          (I) : NULL                               
REMARK 200  R SYM FOR SHELL            (I) : NULL                               
REMARK 200  <I/SIGMA(I)> FOR SHELL         : NULL                               
REMARK 200                                                                      
REMARK 200 DIFFRACTION PROTOCOL: SINGLE WAVELENGTH                              
REMARK 200 METHOD USED TO DETERMINE THE STRUCTURE: MOLECULAR REPLACEMENT        
REMARK 200 SOFTWARE USED: AMORE                                                 
REMARK 200 STARTING MODEL: PDB ENTRY 1I8D                                       
REMARK 200                                                                      
REMARK 200 REMARK: NULL                                                         
REMARK 280                                                                      
REMARK 280 CRYSTAL                                                              
REMARK 280 SOLVENT CONTENT, VS   (%): 53.29                                     
REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.63                     
REMARK 280                                                                      
REMARK 280 CRYSTALLIZATION CONDITIONS: 70 MM SODIUM POTASSIUM PHOSPHATE, PH     
REMARK 280  7.0, 100 MM SODIUM CHLORIDE, VAPOR DIFFUSION, SITTING DROP,         
REMARK 280  TEMPERATURE 295K                                                    
REMARK 290                                                                      
REMARK 290 CRYSTALLOGRAPHIC SYMMETRY                                            
REMARK 290 SYMMETRY OPERATORS FOR SPACE GROUP: C 2 2 21                         
REMARK 290                                                                      
REMARK 290      SYMOP   SYMMETRY                                                
REMARK 290     NNNMMM   OPERATOR                                                
REMARK 290       1555   X,Y,Z                                                   
REMARK 290       2555   -X,-Y,Z+1/2                                             
REMARK 290       3555   -X,Y,-Z+1/2                                             
REMARK 290       4555   X,-Y,-Z                                                 
REMARK 290       5555   X+1/2,Y+1/2,Z                                           
REMARK 290       6555   -X+1/2,-Y+1/2,Z+1/2                                     
REMARK 290       7555   -X+1/2,Y+1/2,-Z+1/2                                     
REMARK 290       8555   X+1/2,-Y+1/2,-Z                                         
REMARK 290                                                                      
REMARK 290     WHERE NNN -> OPERATOR NUMBER                                     
REMARK 290           MMM -> TRANSLATION VECTOR                                  
REMARK 290                                                                      
REMARK 290 CRYSTALLOGRAPHIC SYMMETRY TRANSFORMATIONS                            
REMARK 290 THE FOLLOWING TRANSFORMATIONS OPERATE ON THE ATOM/HETATM             
REMARK 290 RECORDS IN THIS ENTRY TO PRODUCE CRYSTALLOGRAPHICALLY                
REMARK 290 RELATED MOLECULES.                                                   
REMARK 290   SMTRY1   1  1.000000  0.000000  0.000000        0.00000            
REMARK 290   SMTRY2   1  0.000000  1.000000  0.000000        0.00000            
REMARK 290   SMTRY3   1  0.000000  0.000000  1.000000        0.00000            
REMARK 290   SMTRY1   2 -1.000000  0.000000  0.000000        0.00000            
REMARK 290   SMTRY2   2  0.000000 -1.000000  0.000000        0.00000            
REMARK 290   SMTRY3   2  0.000000  0.000000  1.000000       42.55650            
REMARK 290   SMTRY1   3 -1.000000  0.000000  0.000000        0.00000            
REMARK 290   SMTRY2   3  0.000000  1.000000  0.000000        0.00000            
REMARK 290   SMTRY3   3  0.000000  0.000000 -1.000000       42.55650            
REMARK 290   SMTRY1   4  1.000000  0.000000  0.000000        0.00000            
REMARK 290   SMTRY2   4  0.000000 -1.000000  0.000000        0.00000            
REMARK 290   SMTRY3   4  0.000000  0.000000 -1.000000        0.00000            
REMARK 290   SMTRY1   5  1.000000  0.000000  0.000000       25.08050            
REMARK 290   SMTRY2   5  0.000000  1.000000  0.000000       52.19150            
REMARK 290   SMTRY3   5  0.000000  0.000000  1.000000        0.00000            
REMARK 290   SMTRY1   6 -1.000000  0.000000  0.000000       25.08050            
REMARK 290   SMTRY2   6  0.000000 -1.000000  0.000000       52.19150            
REMARK 290   SMTRY3   6  0.000000  0.000000  1.000000       42.55650            
REMARK 290   SMTRY1   7 -1.000000  0.000000  0.000000       25.08050            
REMARK 290   SMTRY2   7  0.000000  1.000000  0.000000       52.19150            
REMARK 290   SMTRY3   7  0.000000  0.000000 -1.000000       42.55650            
REMARK 290   SMTRY1   8  1.000000  0.000000  0.000000       25.08050            
REMARK 290   SMTRY2   8  0.000000 -1.000000  0.000000       52.19150            
REMARK 290   SMTRY3   8  0.000000  0.000000 -1.000000        0.00000            
REMARK 290                                                                      
REMARK 290 REMARK: NULL                                                         
REMARK 300                                                                      
REMARK 300 BIOMOLECULE: 1                                                       
REMARK 300 SEE REMARK 350 FOR THE AUTHOR PROVIDED AND/OR PROGRAM                
REMARK 300 GENERATED ASSEMBLY INFORMATION FOR THE STRUCTURE IN                  
REMARK 300 THIS ENTRY. THE REMARK MAY ALSO PROVIDE INFORMATION ON               
REMARK 300 BURIED SURFACE AREA.                                                 
REMARK 300 REMARK: THE ASYMMETRIC UNIT CONTAINS THE DIMER, WHICH IS ALSO FOUND  
REMARK 300 IN SOLUTION                                                          
REMARK 350                                                                      
REMARK 350 COORDINATES FOR A COMPLETE MULTIMER REPRESENTING THE KNOWN           
REMARK 350 BIOLOGICALLY SIGNIFICANT OLIGOMERIZATION STATE OF THE                
REMARK 350 MOLECULE CAN BE GENERATED BY APPLYING BIOMT TRANSFORMATIONS          
REMARK 350 GIVEN BELOW.  BOTH NON-CRYSTALLOGRAPHIC AND                          
REMARK 350 CRYSTALLOGRAPHIC OPERATIONS ARE GIVEN.                               
REMARK 350                                                                      
REMARK 350 BIOMOLECULE: 1                                                       
REMARK 350 AUTHOR DETERMINED BIOLOGICAL UNIT: DIMERIC                           
REMARK 350 SOFTWARE DETERMINED QUATERNARY STRUCTURE: DIMERIC                    
REMARK 350 SOFTWARE USED: PISA                                                  
REMARK 350 TOTAL BURIED SURFACE AREA: 2640 ANGSTROM**2                          
REMARK 350 SURFACE AREA OF THE COMPLEX: 8540 ANGSTROM**2                        
REMARK 350 CHANGE IN SOLVENT FREE ENERGY: -9.0 KCAL/MOL                         
REMARK 350 APPLY THE FOLLOWING TO CHAINS: A, B                                  
REMARK 350   BIOMT1   1  1.000000  0.000000  0.000000        0.00000            
REMARK 350   BIOMT2   1  0.000000  1.000000  0.000000        0.00000            
REMARK 350   BIOMT3   1  0.000000  0.000000  1.000000        0.00000            
REMARK 465                                                                      
REMARK 465 MISSING RESIDUES                                                     
REMARK 465 THE FOLLOWING RESIDUES WERE NOT LOCATED IN THE                       
REMARK 465 EXPERIMENT. (M=MODEL NUMBER; RES=RESIDUE NAME; C=CHAIN               
REMARK 465 IDENTIFIER; SSSEQ=SEQUENCE NUMBER; I=INSERTION CODE.)                
REMARK 465                                                                      
REMARK 465   M RES C SSSEQI                                                     
REMARK 465     ALA A    88                                                      
REMARK 465     LYS A    89                                                      
REMARK 465     PHE A    90                                                      
REMARK 465     SER A    91                                                      
REMARK 465     ASP A    92                                                      
REMARK 465     GLU A    93                                                      
REMARK 465     ILE A    94                                                      
REMARK 465     GLY A    95                                                      
REMARK 465     GLY A    96                                                      
REMARK 465     HIS A    97                                                      
REMARK 465     ALA B    88                                                      
REMARK 465     LYS B    89                                                      
REMARK 465     PHE B    90                                                      
REMARK 465     SER B    91                                                      
REMARK 465     ASP B    92                                                      
REMARK 465     GLU B    93                                                      
REMARK 465     ILE B    94                                                      
REMARK 465     GLY B    95                                                      
REMARK 465     GLY B    96                                                      
REMARK 465     HIS B    97                                                      
REMARK 475                                                                      
REMARK 475 ZERO OCCUPANCY RESIDUES                                              
REMARK 475 THE FOLLOWING RESIDUES WERE MODELED WITH ZERO OCCUPANCY.             
REMARK 475 THE LOCATION AND PROPERTIES OF THESE RESIDUES MAY NOT                
REMARK 475 BE RELIABLE. (M=MODEL NUMBER; RES=RESIDUE NAME;                      
REMARK 475 C=CHAIN IDENTIFIER; SSEQ=SEQUENCE NUMBER; I=INSERTION CODE)          
REMARK 475   M RES C  SSEQI                                                     
REMARK 475     ASN B    20                                                      
REMARK 480                                                                      
REMARK 480 ZERO OCCUPANCY ATOM                                                  
REMARK 480 THE FOLLOWING RESIDUES HAVE ATOMS MODELED WITH ZERO                  
REMARK 480 OCCUPANCY. THE LOCATION AND PROPERTIES OF THESE ATOMS                
REMARK 480 MAY NOT BE RELIABLE. (M=MODEL NUMBER; RES=RESIDUE NAME;              
REMARK 480 C=CHAIN IDENTIFIER; SSEQ=SEQUENCE NUMBER; I=INSERTION CODE):         
REMARK 480   M RES C SSEQI ATOMS                                                
REMARK 480     MET A    1   CE                                                  
REMARK 480     LYS A   11   CE   NZ                                             
REMARK 480     GLU A   37   OE1  OE2                                            
REMARK 480     ASN A   55   OD1  ND2                                            
REMARK 480     LYS A   65   CD   CE   NZ                                        
REMARK 480     GLU A   66   OE1  OE2                                            
REMARK 480     ARG A   69   CZ   NH1  NH2                                       
REMARK 480     LYS A   77   CE   NZ                                             
REMARK 480     ASP B   34   OD1  OD2                                            
REMARK 480     GLU B   37   OE1  OE2                                            
REMARK 480     LYS B   65   CE   NZ                                             
REMARK 480     LYS B   77   CE   NZ                                             
REMARK 500                                                                      
REMARK 500 GEOMETRY AND STEREOCHEMISTRY                                         
REMARK 500 SUBTOPIC: CLOSE CONTACTS IN SAME ASYMMETRIC UNIT                     
REMARK 500                                                                      
REMARK 500 THE FOLLOWING ATOMS ARE IN CLOSE CONTACT.                            
REMARK 500                                                                      
REMARK 500  ATM1  RES C  SSEQI   ATM2  RES C  SSEQI           DISTANCE          
REMARK 500   C    PRO B    19     CA   ASN B    20              1.63            
REMARK 500   O    PRO B    19     CA   ASN B    20              1.80            
REMARK 500   OE2  GLU B    66     NH1  ARG B    69              2.02            
REMARK 500                                                                      
REMARK 500 REMARK: NULL                                                         
REMARK 500                                                                      
REMARK 500 GEOMETRY AND STEREOCHEMISTRY                                         
REMARK 500 SUBTOPIC: COVALENT BOND LENGTHS                                      
REMARK 500                                                                      
REMARK 500 THE STEREOCHEMICAL PARAMETERS OF THE FOLLOWING RESIDUES              
REMARK 500 HAVE VALUES WHICH DEVIATE FROM EXPECTED VALUES BY MORE               
REMARK 500 THAN 6*RMSD (M=MODEL NUMBER; RES=RESIDUE NAME; C=CHAIN               
REMARK 500 IDENTIFIER; SSEQ=SEQUENCE NUMBER; I=INSERTION CODE).                 
REMARK 500                                                                      
REMARK 500 STANDARD TABLE:                                                      
REMARK 500 FORMAT: (10X,I3,1X,2(A3,1X,A1,I4,A1,1X,A4,3X),1X,F6.3)               
REMARK 500                                                                      
REMARK 500 EXPECTED VALUES PROTEIN: ENGH AND HUBER, 1999                        
REMARK 500 EXPECTED VALUES NUCLEIC ACID: CLOWNEY ET AL 1996                     
REMARK 500                                                                      
REMARK 500  M RES CSSEQI ATM1   RES CSSEQI ATM2   DEVIATION                     
REMARK 500    LYS A  11   CD    LYS A  11   CE     -0.514                       
REMARK 500    GLU A  37   CD    GLU A  37   OE1     0.105                       
REMARK 500    GLU A  37   CD    GLU A  37   OE2    -0.104                       
REMARK 500    ARG A  69   NE    ARG A  69   CZ     -0.262                       
REMARK 500    LYS A  77   CD    LYS A  77   CE      0.262                       
REMARK 500    PRO B  19   C     ASN B  20   N      -0.399                       
REMARK 500    ASP B  34   CG    ASP B  34   OD1    -0.154                       
REMARK 500    ASP B  34   CG    ASP B  34   OD2     0.168                       
REMARK 500    GLU B  37   CD    GLU B  37   OE1    -0.158                       
REMARK 500    GLU B  37   CD    GLU B  37   OE2     0.125                       
REMARK 500                                                                      
REMARK 500 REMARK: NULL                                                         
REMARK 500                                                                      
REMARK 500 GEOMETRY AND STEREOCHEMISTRY                                         
REMARK 500 SUBTOPIC: COVALENT BOND ANGLES                                       
REMARK 500                                                                      
REMARK 500 THE STEREOCHEMICAL PARAMETERS OF THE FOLLOWING RESIDUES              
REMARK 500 HAVE VALUES WHICH DEVIATE FROM EXPECTED VALUES BY MORE               
REMARK 500 THAN 6*RMSD (M=MODEL NUMBER; RES=RESIDUE NAME; C=CHAIN               
REMARK 500 IDENTIFIER; SSEQ=SEQUENCE NUMBER; I=INSERTION CODE).                 
REMARK 500                                                                      
REMARK 500 STANDARD TABLE:                                                      
REMARK 500 FORMAT: (10X,I3,1X,A3,1X,A1,I4,A1,3(1X,A4,2X),12X,F5.1)              
REMARK 500                                                                      
REMARK 500 EXPECTED VALUES PROTEIN: ENGH AND HUBER, 1999                        
REMARK 500 EXPECTED VALUES NUCLEIC ACID: CLOWNEY ET AL 1996                     
REMARK 500                                                                      
REMARK 500  M RES CSSEQI ATM1   ATM2   ATM3                                     
REMARK 500    LYS A  11   CD  -  CE  -  NZ  ANGL. DEV. =  35.6 DEGREES          
REMARK 500    GLU A  37   CG  -  CD  -  OE1 ANGL. DEV. =  12.4 DEGREES          
REMARK 500    ASP A  62   CB  -  CG  -  OD2 ANGL. DEV. =   6.2 DEGREES          
REMARK 500    ARG A  69   CD  -  NE  -  CZ  ANGL. DEV. =  16.2 DEGREES          
REMARK 500    ARG A  69   NE  -  CZ  -  NH1 ANGL. DEV. = -12.6 DEGREES          
REMARK 500    ARG A  69   NE  -  CZ  -  NH2 ANGL. DEV. =  12.1 DEGREES          
REMARK 500    PRO B  19   CA  -  C   -  N   ANGL. DEV. = -13.7 DEGREES          
REMARK 500    ASN B  20   C   -  N   -  CA  ANGL. DEV. = -37.1 DEGREES          
REMARK 500    ASN B  20   CA  -  C   -  N   ANGL. DEV. = -23.1 DEGREES          
REMARK 500    ASN B  20   O   -  C   -  N   ANGL. DEV. =  17.2 DEGREES          
REMARK 500    PHE B  21   C   -  N   -  CA  ANGL. DEV. = -17.2 DEGREES          
REMARK 500    ASP B  34   CB  -  CG  -  OD1 ANGL. DEV. =  10.8 DEGREES          
REMARK 500    ASP B  34   CB  -  CG  -  OD2 ANGL. DEV. =  -8.9 DEGREES          
REMARK 500                                                                      
REMARK 500 REMARK: NULL                                                         
REMARK 500                                                                      
REMARK 500 GEOMETRY AND STEREOCHEMISTRY                                         
REMARK 500 SUBTOPIC: TORSION ANGLES                                             
REMARK 500                                                                      
REMARK 500 TORSION ANGLES OUTSIDE THE EXPECTED RAMACHANDRAN REGIONS:            
REMARK 500 (M=MODEL NUMBER; RES=RESIDUE NAME; C=CHAIN IDENTIFIER;               
REMARK 500 SSEQ=SEQUENCE NUMBER; I=INSERTION CODE).                             
REMARK 500                                                                      
REMARK 500 STANDARD TABLE:                                                      
REMARK 500 FORMAT:(10X,I3,1X,A3,1X,A1,I4,A1,4X,F7.2,3X,F7.2)                    
REMARK 500                                                                      
REMARK 500 EXPECTED VALUES: GJ KLEYWEGT AND TA JONES (1996). PHI/PSI-           
REMARK 500 CHOLOGY: RAMACHANDRAN REVISITED. STRUCTURE 4, 1395 - 1400            
REMARK 500                                                                      
REMARK 500  M RES CSSEQI        PSI       PHI                                   
REMARK 500    SER A  14      136.77   -173.04                                   
REMARK 500    LYS B  18     -159.43   -129.73                                   
REMARK 500    ASN B  20      -20.20   -150.22                                   
REMARK 500                                                                      
REMARK 500 REMARK: NULL                                                         
REMARK 500                                                                      
REMARK 500 GEOMETRY AND STEREOCHEMISTRY                                         
REMARK 500 SUBTOPIC: PLANAR GROUPS                                              
REMARK 500                                                                      
REMARK 500 PLANAR GROUPS IN THE FOLLOWING RESIDUES HAVE A TOTAL                 
REMARK 500 RMS DISTANCE OF ALL ATOMS FROM THE BEST-FIT PLANE                    
REMARK 500 BY MORE THAN AN EXPECTED VALUE OF 6*RMSD, WITH AN                    
REMARK 500 RMSD 0.02 ANGSTROMS, OR AT LEAST ONE ATOM HAS                        
REMARK 500 AN RMSD GREATER THAN THIS VALUE                                      
REMARK 500 (M=MODEL NUMBER; RES=RESIDUE NAME; C=CHAIN IDENTIFIER;               
REMARK 500 SSEQ=SEQUENCE NUMBER; I=INSERTION CODE).                             
REMARK 500                                                                      
REMARK 500  M RES CSSEQI        RMS     TYPE                                    
REMARK 500    GLU B  37         0.08    SIDE CHAIN                              
REMARK 500                                                                      
REMARK 500 REMARK: NULL                                                         
REMARK 500                                                                      
REMARK 500 GEOMETRY AND STEREOCHEMISTRY                                         
REMARK 500 SUBTOPIC: MAIN CHAIN PLANARITY                                       
REMARK 500                                                                      
REMARK 500 THE FOLLOWING RESIDUES HAVE A PSEUDO PLANARITY                       
REMARK 500 TORSION ANGLE, C(I) - CA(I) - N(I+1) - O(I), GREATER                 
REMARK 500 10.0 DEGREES. (M=MODEL NUMBER; RES=RESIDUE NAME;                     
REMARK 500 C=CHAIN IDENTIFIER; SSEQ=SEQUENCE NUMBER;                            
REMARK 500 I=INSERTION CODE).                                                   
REMARK 500                                                                      
REMARK 500  M RES CSSEQI        ANGLE                                           
REMARK 500    PRO B  19        -16.39                                           
REMARK 500                                                                      
REMARK 500 REMARK: NULL                                                         
REMARK 800                                                                      
REMARK 800 SITE                                                                 
REMARK 800 SITE_IDENTIFIER: AC1                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE RBF A 100                 
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: AC2                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE RBF B 101                 
REMARK 900                                                                      
REMARK 900 RELATED ENTRIES                                                      
REMARK 900 RELATED ID: 1HZE   RELATED DB: PDB                                   
REMARK 900 SOLUTION STRUCTURE OF THE N-TERMINAL DOMAIN OF RIBOFLAVIN SYNTHASE   
REMARK 900 FROM E. COLI                                                         
REMARK 900 RELATED ID: 1I8D   RELATED DB: PDB                                   
REMARK 900 CRYSTAL STRUCTURE OF RIBOFLAVIN SYNTHASE                             
REMARK 900 RELATED ID: 1KZL   RELATED DB: PDB                                   
REMARK 900 RIBOFLAVIN SYNTHASE FROM S. POMBE BOUND TO CARBOXYETHYLLUMAZINE      
DBREF  1PKV A    1    97  UNP    P29015   RISA_ECOLI       1     97             
DBREF  1PKV B    1    97  UNP    P29015   RISA_ECOLI       1     97             
SEQRES   1 A   97  MET PHE THR GLY ILE VAL GLN GLY THR ALA LYS LEU VAL          
SEQRES   2 A   97  SER ILE ASP GLU LYS PRO ASN PHE ARG THR HIS VAL VAL          
SEQRES   3 A   97  GLU LEU PRO ASP HIS MET LEU ASP GLY LEU GLU THR GLY          
SEQRES   4 A   97  ALA SER VAL ALA HIS ASN GLY CYS CYS LEU THR VAL THR          
SEQRES   5 A   97  GLU ILE ASN GLY ASN HIS VAL SER PHE ASP LEU MET LYS          
SEQRES   6 A   97  GLU THR LEU ARG ILE THR ASN LEU GLY ASP LEU LYS VAL          
SEQRES   7 A   97  GLY ASP TRP VAL ASN VAL GLU ARG ALA ALA LYS PHE SER          
SEQRES   8 A   97  ASP GLU ILE GLY GLY HIS                                      
SEQRES   1 B   97  MET PHE THR GLY ILE VAL GLN GLY THR ALA LYS LEU VAL          
SEQRES   2 B   97  SER ILE ASP GLU LYS PRO ASN PHE ARG THR HIS VAL VAL          
SEQRES   3 B   97  GLU LEU PRO ASP HIS MET LEU ASP GLY LEU GLU THR GLY          
SEQRES   4 B   97  ALA SER VAL ALA HIS ASN GLY CYS CYS LEU THR VAL THR          
SEQRES   5 B   97  GLU ILE ASN GLY ASN HIS VAL SER PHE ASP LEU MET LYS          
SEQRES   6 B   97  GLU THR LEU ARG ILE THR ASN LEU GLY ASP LEU LYS VAL          
SEQRES   7 B   97  GLY ASP TRP VAL ASN VAL GLU ARG ALA ALA LYS PHE SER          
SEQRES   8 B   97  ASP GLU ILE GLY GLY HIS                                      
HET    RBF  A 100      27                                                       
HET    RBF  B 101      27                                                       
HETNAM     RBF RIBOFLAVIN                                                       
HETSYN     RBF RIBOFLAVINE; VITAMIN B2                                          
FORMUL   3  RBF    2(C17 H20 N4 O6)                                             
FORMUL   5  HOH   *37(H2 O)                                                     
HELIX    1   1 PRO A   29  LEU A   33  5                                   5    
HELIX    2   2 LYS A   65  THR A   71  1                                   7    
HELIX    3   3 ASN A   72  LEU A   76  5                                   5    
HELIX    4   4 PRO B   29  LEU B   33  5                                   5    
HELIX    5   5 MET B   64  THR B   71  1                                   8    
HELIX    6   6 ASN B   72  LEU B   76  5                                   5    
SHEET    1   A 7 GLY A   8  GLU A  17  0                                        
SHEET    2   A 7 PHE A  21  GLU A  27 -1  O  VAL A  25   N  SER A  14           
SHEET    3   A 7 HIS A  58  MET A  64 -1  O  LEU A  63   N  ARG A  22           
SHEET    4   A 7 CYS A  47  ASN A  55 -1  N  GLU A  53   O  SER A  60           
SHEET    5   A 7 SER A  41  HIS A  44 -1  N  HIS A  44   O  CYS A  47           
SHEET    6   A 7 TRP A  81  ARG A  86 -1  O  GLU A  85   N  ALA A  43           
SHEET    7   A 7 GLY A   8  GLU A  17 -1  N  ALA A  10   O  VAL A  82           
SHEET    1   B 7 GLY B   8  GLU B  17  0                                        
SHEET    2   B 7 ARG B  22  GLU B  27 -1  O  VAL B  25   N  SER B  14           
SHEET    3   B 7 HIS B  58  LEU B  63 -1  O  LEU B  63   N  ARG B  22           
SHEET    4   B 7 CYS B  47  ASN B  55 -1  N  GLU B  53   O  SER B  60           
SHEET    5   B 7 SER B  41  HIS B  44 -1  N  HIS B  44   O  CYS B  47           
SHEET    6   B 7 TRP B  81  ARG B  86 -1  O  GLU B  85   N  ALA B  43           
SHEET    7   B 7 GLY B   8  GLU B  17 -1  N  GLY B   8   O  VAL B  84           
SITE     1 AC1 16 CYS A  47  CYS A  48  LEU A  49  THR A  50                    
SITE     2 AC1 16 ASP A  62  LEU A  63  MET A  64  THR A  67                    
SITE     3 AC1 16 HOH A 101  HOH A 114  GLY B   4  ILE B   5                    
SITE     4 AC1 16 VAL B   6  MET B  64  GLU B  66  RBF B 101                    
SITE     1 AC2 18 GLY A   4  ILE A   5  VAL A   6  THR A  50                    
SITE     2 AC2 18 ASP A  62  MET A  64  RBF A 100  CYS B  47                    
SITE     3 AC2 18 CYS B  48  LEU B  49  THR B  50  ASP B  62                    
SITE     4 AC2 18 LEU B  63  MET B  64  THR B  67  THR B  71                    
SITE     5 AC2 18 HOH B 102  HOH B 103                                          
CRYST1   50.161  104.383   85.113  90.00  90.00  90.00 C 2 2 21     16          
ORIGX1      1.000000  0.000000  0.000000        0.00000                         
ORIGX2      0.000000  1.000000  0.000000        0.00000                         
ORIGX3      0.000000  0.000000  1.000000        0.00000                         
SCALE1      0.019936  0.000000  0.000000        0.00000                         
SCALE2      0.000000  0.009580  0.000000        0.00000                         
SCALE3      0.000000  0.000000  0.011749        0.00000